Home / 115,232.91-158,931.27-74,959.53

Finding the Fourth Proportional to 115,232.91, 158,931.27 and 74,959.53

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Solution

The fourth proportional to 115,232.91, 158,931.27 and 74,959.53 is: 103,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,232.91 : 158,931.27 = 74,959.53 : x
  2. Step 2: Convert to fraction form
    115,232.91/158,931.27 = 74,959.53/x
  3. Step 3: Cross multiply
    115,232.91x = 158,931.27 × 74,959.53
  4. Step 4: Simplify right side
    115,232.91x = 11,913,413,301.50
  5. Step 5: Solve for x
    x = 11,913,413,301.50/115,232.91
  6. Step 6: Final answer
    x = 103,385.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.